R0(config-if)#tunnel mpls traffic-eng autoroute announce
This command is to make the head-end LSR to insert IP destinations into the routing table with tunnel interface as next-hop or outgoing interface.
<Before this command applied>
<After appling this command>
show ip route
126.96.36.199/32 is subnetted, 1 subnets
O 188.8.131.52 [110/12] via 0.0.0.0, 00:00:02, Tunnel3
R0#show ip route 184.108.40.206 Routing entry for 220.127.116.11/32 Known via “ospf 1“, distance 110, metric 12, type intra area Routing Descriptor Blocks: * directly connected, via Tunnel3 Route metric is 12, traffic share count is 1